* bits/char_traits.h (char_traits::eos): Non standard member
function, uglify to __eos. Return char_type().
* bits/std_ostream.h: Change.
-
+
+ * testsuite/27_io/ostream_seeks.cc (test01): New file.
+ * testsuite/27_io/ostream_seeks-1.tst: New file.
+ * testsuite/27_io/istream_unformatted.cc (main): Move test04 and
+ test05 to...
+ * testsuite/27_io/istream_seeks.cc: New file.
+
2000-06-29 Branko Cibej <branko.cibej@hermes.si>
* bits/std_memory.h (auto_ptr_ref): Reworked and defined only if
--- /dev/null
+// 2000-06-29 bkoz
+
+// Copyright (C) 2000 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 27.6.1.3 unformatted input functions
+// NB: ostream has a particular "seeks" category. Adopt this for istreams too.
+
+#include <istream>
+#include <sstream>
+#include <fstream>
+#ifdef DEBUG_ASSERT
+ #include <assert.h>
+#endif
+
+
+bool test01()
+{
+ using namespace std;
+ typedef ios::pos_type pos_type;
+
+ bool test = true;
+ const char str_lit01[] = "testsuite/istream_unformatted-1.tst";
+
+ // in
+ // test default ctors leave things in the same positions...
+ istringstream ist1;
+ pos_type p3 = ist1.tellg();
+
+ ifstream ifs1;
+ pos_type p4 = ifs1.tellg();
+
+ test &= p3 == p4;
+
+ // in
+ // test ctors leave things in the same positions...
+ istringstream ist2("bob_marley:kaya");
+ p3 = ist2.tellg();
+
+ ifstream ifs2(str_lit01);
+ p4 = ifs2.tellg();
+
+ test &= p3 == p4;
+
+#ifdef DEBUG_ASSERT
+ assert(test);
+#endif
+
+ return test;
+}
+
+// fstreams
+void test04(void)
+{
+ bool test = true;
+ std::istream::pos_type pos01, pos02, pos03, pos04, pos05, pos06;
+ std::ios_base::iostate state01, state02;
+ const char str_lit01[] = "testsuite/istream_unformatted-1.txt";
+ const char str_lit02[] = "testsuite/istream_unformatted-2.txt";
+ std::ifstream if01(str_lit01, std::ios_base::in | std::ios_base::out);
+ std::ifstream if02(str_lit01, std::ios_base::in);
+ std::ifstream if03(str_lit02, std::ios_base::out | std::ios_base::trunc);
+ test &= if01.good();
+ test &= if02.good();
+ test &= if03.good();
+
+ std::istream is01(if01.rdbuf());
+ std::istream is02(if02.rdbuf());
+ std::istream is03(if03.rdbuf());
+
+ // pos_type tellg()
+ // in | out
+ pos01 = is01.tellg();
+ pos02 = is01.tellg();
+ test &= pos01 == pos02;
+ // test &= istream::pos_type(0) != pos01; //depricated
+
+ // in
+ pos03 = is02.tellg();
+ pos04 = is02.tellg();
+ test &= pos03 == pos04;
+ // test &= istream::pos_type(0) != pos03; //depricated
+
+ // out
+ pos05 = is03.tellg();
+ pos06 = is03.tellg();
+ test &= pos05 == pos06;
+ // test &= istream::pos_type(0) != pos01; //depricated
+
+ // istream& seekg(pos_type)
+ // istream& seekg(off_type, ios_base::seekdir)
+
+ // cur
+ // NB: see library issues list 136. It's the v-3 interp that seekg
+ // only sets the input buffer, or else istreams with buffers that
+ // have _M_mode == ios_base::out will fail to have consistency
+ // between seekg and tellg.
+ state01 = is01.rdstate();
+ is01.seekg(10, std::ios_base::cur);
+ state02 = is01.rdstate();
+ pos01 = is01.tellg();
+ test &= pos01 == pos02 + 10;
+ test &= state01 == state02;
+ pos02 = is01.tellg();
+ test &= pos02 == pos01;
+
+ state01 = is02.rdstate();
+ is02.seekg(10, std::ios_base::cur);
+ state02 = is02.rdstate();
+ pos03 = is02.tellg();
+ test &= pos03 == pos04 + 10;
+ test &= state01 == state02;
+ pos04 = is02.tellg();
+ test &= pos03 == pos04;
+
+ state01 = is03.rdstate();
+ is03.seekg(10, std::ios_base::cur);
+ state02 = is03.rdstate();
+ pos05 = is03.tellg();
+ test &= pos05 == pos06 + 10;
+ test &= state01 == state02;
+ pos06 = is03.tellg();
+ test &= pos05 == pos06;
+
+ // beg
+ state01 = is01.rdstate();
+ is01.seekg(20, std::ios_base::beg);
+ state02 = is01.rdstate();
+ pos01 = is01.tellg();
+ test &= pos01 == pos02 + 10;
+ test &= state01 == state02;
+ pos02 = is01.tellg();
+ test &= pos02 == pos01;
+
+ state01 = is02.rdstate();
+ is02.seekg(20, std::ios_base::beg);
+ state02 = is02.rdstate();
+ pos03 = is02.tellg();
+ test &= pos03 == pos04 + 10;
+ test &= state01 == state02;
+ pos04 = is02.tellg();
+ test &= pos03 == pos04;
+
+ state01 = is03.rdstate();
+ is03.seekg(20, std::ios_base::beg);
+ state02 = is03.rdstate();
+ pos05 = is03.tellg();
+ test &= pos05 == pos06 + 10;
+ test &= state01 == state02;
+ pos06 = is03.tellg();
+ test &= pos05 == pos06;
+
+#ifdef DEBUG_ASSERT
+ assert(test);
+#endif
+}
+
+// stringstreams
+void test05(void)
+{
+ bool test = true;
+ std::istream::pos_type pos01, pos02, pos03, pos04, pos05, pos06;
+ std::ios_base::iostate state01, state02;
+ const char str_lit01[] = "testsuite/istream_unformatted-1.tst";
+ std::ifstream if01(str_lit01);
+ std::ifstream if02(str_lit01);
+ std::ifstream if03(str_lit01);
+ test &= if01.good();
+ test &= if02.good();
+ test &= if03.good();
+
+ std::stringbuf strbuf01(std::ios_base::in | std::ios_base::out);
+ if01 >> &strbuf01;
+ // initialize stringbufs that are ios_base::out
+ std::stringbuf strbuf03(strbuf01.str(), std::ios_base::out);
+ // initialize stringbufs that are ios_base::in
+ std::stringbuf strbuf02(strbuf01.str(), std::ios_base::in);
+
+ std::istream is01(&strbuf01);
+ std::istream is02(&strbuf02);
+ std::istream is03(&strbuf03);
+
+ // pos_type tellg()
+ // in | out
+ pos01 = is01.tellg();
+ pos02 = is01.tellg();
+ test &= pos01 == pos02;
+ // test &= istream::pos_type(0) != pos01; // deprecated
+
+ // in
+ pos03 = is02.tellg();
+ pos04 = is02.tellg();
+ test &= pos03 == pos04;
+ // test &= istream::pos_type(0) != pos03; // deprecated
+
+ // out
+ pos05 = is03.tellg();
+ pos06 = is03.tellg();
+ test &= pos05 == pos06;
+ // test &= istream::pos_type(0) != pos01; //deprecated
+
+ // istream& seekg(pos_type)
+ // istream& seekg(off_type, ios_base::seekdir)
+
+ // cur
+ // NB: see library issues list 136. It's the v-3 interp that seekg
+ // only sets the input buffer, or else istreams with buffers that
+ // have _M_mode == ios_base::out will fail to have consistency
+ // between seekg and tellg.
+ state01 = is01.rdstate();
+ is01.seekg(10, std::ios_base::cur);
+ state02 = is01.rdstate();
+ pos01 = is01.tellg();
+ test &= pos01 == pos02 + 10;
+ test &= state01 == state02;
+ pos02 = is01.tellg();
+ test &= pos02 == pos01;
+
+ state01 = is02.rdstate();
+ is02.seekg(10, std::ios_base::cur);
+ state02 = is02.rdstate();
+ pos03 = is02.tellg();
+ test &= pos03 == pos04 + 10;
+ test &= state01 == state02;
+ pos04 = is02.tellg();
+ test &= pos03 == pos04;
+
+ state01 = is03.rdstate();
+ is03.seekg(10, std::ios_base::cur);
+ state02 = is03.rdstate();
+ pos05 = is03.tellg();
+ test &= pos05 == pos06; // as only out buffer
+ test &= state01 == state02;
+ pos06 = is03.tellg();
+ test &= pos05 == pos06;
+
+ // beg
+ state01 = is01.rdstate();
+ is01.seekg(20, std::ios_base::beg);
+ state02 = is01.rdstate();
+ pos01 = is01.tellg();
+ test &= pos01 == pos02 + 10;
+ test &= state01 == state02;
+ pos02 = is01.tellg();
+ test &= pos02 == pos01;
+
+ state01 = is02.rdstate();
+ is02.seekg(20, std::ios_base::beg);
+ state02 = is02.rdstate();
+ pos03 = is02.tellg();
+ test &= pos03 == pos04 + 10;
+ test &= state01 == state02;
+ pos04 = is02.tellg();
+ test &= pos03 == pos04;
+
+ state01 = is03.rdstate();
+ is03.seekg(20, std::ios_base::beg);
+ state02 = is03.rdstate();
+ pos05 = is03.tellg();
+ test &= pos05 == pos06; // as only out buffer
+ test &= state01 == state02;
+ pos06 = is03.tellg();
+ test &= pos05 == pos06;
+
+#ifdef DEBUG_ASSERT
+ assert(test);
+#endif
+}
+
+int main()
+{
+ test01();
+ test04();
+ test05();
+ return 0;
+}
+
+
+
+
+
+
+
+
// 1999-08-11 bkoz
-// Copyright (C) 1999 Free Software Foundation
+// Copyright (C) 1999, 2000 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
#include <assert.h>
#endif
-
bool test01() {
typedef std::ios::traits_type traits_type;
return test;
}
-// fstreams
-void test04(void)
-{
- bool test = true;
- std::istream::pos_type pos01, pos02, pos03, pos04, pos05, pos06;
- std::ios_base::iostate state01, state02;
- const char str_lit01[] = "testsuite/istream_unformatted-1.txt";
- const char str_lit02[] = "testsuite/istream_unformatted-2.txt";
- std::ifstream if01(str_lit01, std::ios_base::in | std::ios_base::out);
- std::ifstream if02(str_lit01, std::ios_base::in);
- std::ifstream if03(str_lit02, std::ios_base::out | std::ios_base::trunc);
- test &= if01.good();
- test &= if02.good();
- test &= if03.good();
-
- std::istream is01(if01.rdbuf());
- std::istream is02(if02.rdbuf());
- std::istream is03(if03.rdbuf());
-
- // pos_type tellg()
- // in | out
- pos01 = is01.tellg();
- pos02 = is01.tellg();
- test &= pos01 == pos02;
- // test &= istream::pos_type(0) != pos01; //depricated
-
- // in
- pos03 = is02.tellg();
- pos04 = is02.tellg();
- test &= pos03 == pos04;
- // test &= istream::pos_type(0) != pos03; //depricated
-
- // out
- pos05 = is03.tellg();
- pos06 = is03.tellg();
- test &= pos05 == pos06;
- // test &= istream::pos_type(0) != pos01; //depricated
-
- // istream& seekg(pos_type)
- // istream& seekg(off_type, ios_base::seekdir)
-
- // cur
- // NB: see library issues list 136. It's the v-3 interp that seekg
- // only sets the input buffer, or else istreams with buffers that
- // have _M_mode == ios_base::out will fail to have consistency
- // between seekg and tellg.
- state01 = is01.rdstate();
- is01.seekg(10, std::ios_base::cur);
- state02 = is01.rdstate();
- pos01 = is01.tellg();
- test &= pos01 == pos02 + 10;
- test &= state01 == state02;
- pos02 = is01.tellg();
- test &= pos02 == pos01;
-
- state01 = is02.rdstate();
- is02.seekg(10, std::ios_base::cur);
- state02 = is02.rdstate();
- pos03 = is02.tellg();
- test &= pos03 == pos04 + 10;
- test &= state01 == state02;
- pos04 = is02.tellg();
- test &= pos03 == pos04;
-
- state01 = is03.rdstate();
- is03.seekg(10, std::ios_base::cur);
- state02 = is03.rdstate();
- pos05 = is03.tellg();
- test &= pos05 == pos06 + 10;
- test &= state01 == state02;
- pos06 = is03.tellg();
- test &= pos05 == pos06;
-
- // beg
- state01 = is01.rdstate();
- is01.seekg(20, std::ios_base::beg);
- state02 = is01.rdstate();
- pos01 = is01.tellg();
- test &= pos01 == pos02 + 10;
- test &= state01 == state02;
- pos02 = is01.tellg();
- test &= pos02 == pos01;
-
- state01 = is02.rdstate();
- is02.seekg(20, std::ios_base::beg);
- state02 = is02.rdstate();
- pos03 = is02.tellg();
- test &= pos03 == pos04 + 10;
- test &= state01 == state02;
- pos04 = is02.tellg();
- test &= pos03 == pos04;
-
- state01 = is03.rdstate();
- is03.seekg(20, std::ios_base::beg);
- state02 = is03.rdstate();
- pos05 = is03.tellg();
- test &= pos05 == pos06 + 10;
- test &= state01 == state02;
- pos06 = is03.tellg();
- test &= pos05 == pos06;
-
-#ifdef DEBUG_ASSERT
- assert(test);
-#endif
-}
-
-// stringstreams
-void test05(void)
-{
- bool test = true;
- std::istream::pos_type pos01, pos02, pos03, pos04, pos05, pos06;
- std::ios_base::iostate state01, state02;
- const char str_lit01[] = "testsuite/istream_unformatted-1.tst";
- std::ifstream if01(str_lit01);
- std::ifstream if02(str_lit01);
- std::ifstream if03(str_lit01);
- test &= if01.good();
- test &= if02.good();
- test &= if03.good();
-
- std::stringbuf strbuf01(std::ios_base::in | std::ios_base::out);
- if01 >> &strbuf01;
- // initialize stringbufs that are ios_base::out
- std::stringbuf strbuf03(strbuf01.str(), std::ios_base::out);
- // initialize stringbufs that are ios_base::in
- std::stringbuf strbuf02(strbuf01.str(), std::ios_base::in);
-
- std::istream is01(&strbuf01);
- std::istream is02(&strbuf02);
- std::istream is03(&strbuf03);
-
- // pos_type tellg()
- // in | out
- pos01 = is01.tellg();
- pos02 = is01.tellg();
- test &= pos01 == pos02;
- // test &= istream::pos_type(0) != pos01; // deprecated
-
- // in
- pos03 = is02.tellg();
- pos04 = is02.tellg();
- test &= pos03 == pos04;
- // test &= istream::pos_type(0) != pos03; // deprecated
-
- // out
- pos05 = is03.tellg();
- pos06 = is03.tellg();
- test &= pos05 == pos06;
- // test &= istream::pos_type(0) != pos01; //deprecated
-
- // istream& seekg(pos_type)
- // istream& seekg(off_type, ios_base::seekdir)
-
- // cur
- // NB: see library issues list 136. It's the v-3 interp that seekg
- // only sets the input buffer, or else istreams with buffers that
- // have _M_mode == ios_base::out will fail to have consistency
- // between seekg and tellg.
- state01 = is01.rdstate();
- is01.seekg(10, std::ios_base::cur);
- state02 = is01.rdstate();
- pos01 = is01.tellg();
- test &= pos01 == pos02 + 10;
- test &= state01 == state02;
- pos02 = is01.tellg();
- test &= pos02 == pos01;
-
- state01 = is02.rdstate();
- is02.seekg(10, std::ios_base::cur);
- state02 = is02.rdstate();
- pos03 = is02.tellg();
- test &= pos03 == pos04 + 10;
- test &= state01 == state02;
- pos04 = is02.tellg();
- test &= pos03 == pos04;
-
- state01 = is03.rdstate();
- is03.seekg(10, std::ios_base::cur);
- state02 = is03.rdstate();
- pos05 = is03.tellg();
- test &= pos05 == pos06; // as only out buffer
- test &= state01 == state02;
- pos06 = is03.tellg();
- test &= pos05 == pos06;
-
- // beg
- state01 = is01.rdstate();
- is01.seekg(20, std::ios_base::beg);
- state02 = is01.rdstate();
- pos01 = is01.tellg();
- test &= pos01 == pos02 + 10;
- test &= state01 == state02;
- pos02 = is01.tellg();
- test &= pos02 == pos01;
-
- state01 = is02.rdstate();
- is02.seekg(20, std::ios_base::beg);
- state02 = is02.rdstate();
- pos03 = is02.tellg();
- test &= pos03 == pos04 + 10;
- test &= state01 == state02;
- pos04 = is02.tellg();
- test &= pos03 == pos04;
-
- state01 = is03.rdstate();
- is03.seekg(20, std::ios_base::beg);
- state02 = is03.rdstate();
- pos05 = is03.tellg();
- test &= pos05 == pos06; // as only out buffer
- test &= state01 == state02;
- pos06 = is03.tellg();
- test &= pos05 == pos06;
-
-#ifdef DEBUG_ASSERT
- assert(test);
-#endif
-}
-
// http://sourceware.cygnus.com/ml/libstdc++/2000-q1/msg00177.html
void test06()
{
test01();
test02();
test03();
- test04();
- test05();
test06();
return 0;
}
+
+
--- /dev/null
+// 2000-06-29 bkoz
+
+// Copyright (C) 2000 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 27.6.2.4 basic_ostream seek members
+
+#include <ostream>
+#include <sstream>
+#include <fstream>
+#ifdef DEBUG_ASSERT
+ #include <assert.h>
+#endif
+
+
+bool test01()
+{
+ using namespace std;
+ typedef ios::pos_type pos_type;
+
+ bool test = true;
+ const char str_lit01[] = "testsuite/ostream_seeks-1.txt";
+
+ // out
+ // test default ctors leave things in the same positions...
+ ostringstream ost1;
+ pos_type p1 = ost1.tellp();
+
+ ofstream ofs1;
+ pos_type p2 = ofs1.tellp();
+
+ test &= p1 == p2;
+
+ // out
+ // test ctors leave things in the same positions...
+ ostringstream ost2("bob_marley:kaya");
+ p1 = ost2.tellp();
+
+ ofstream ofs2(str_lit01);
+ p2 = ofs2.tellp();
+
+ test &= p1 == p2;
+
+#ifdef DEBUG_ASSERT
+ assert(test);
+#endif
+
+ return test;
+}
+
+#if 0
+// XXX FIX ME
+// basically this is the istreams_seeks.cc code. We need to fix it up
+// for ostreams......
+
+// fstreams
+void test04(void)
+{
+ bool test = true;
+ std::istream::pos_type pos01, pos02, pos03, pos04, pos05, pos06;
+ std::ios_base::iostate state01, state02;
+ const char str_lit01[] = "testsuite/istream_unformatted-1.txt";
+ const char str_lit02[] = "testsuite/istream_unformatted-2.txt";
+ std::ifstream if01(str_lit01, std::ios_base::in | std::ios_base::out);
+ std::ifstream if02(str_lit01, std::ios_base::in);
+ std::ifstream if03(str_lit02, std::ios_base::out | std::ios_base::trunc);
+ test &= if01.good();
+ test &= if02.good();
+ test &= if03.good();
+
+ std::istream is01(if01.rdbuf());
+ std::istream is02(if02.rdbuf());
+ std::istream is03(if03.rdbuf());
+
+ // pos_type tellp()
+ // in | out
+ pos01 = is01.tellp();
+ pos02 = is01.tellp();
+ test &= pos01 == pos02;
+ // test &= istream::pos_type(0) != pos01; //depricated
+
+ // in
+ pos03 = is02.tellp();
+ pos04 = is02.tellp();
+ test &= pos03 == pos04;
+ // test &= istream::pos_type(0) != pos03; //depricated
+
+ // out
+ pos05 = is03.tellp();
+ pos06 = is03.tellp();
+ test &= pos05 == pos06;
+ // test &= istream::pos_type(0) != pos01; //depricated
+
+ // istream& seekg(pos_type)
+ // istream& seekg(off_type, ios_base::seekdir)
+
+ // cur
+ // NB: see library issues list 136. It's the v-3 interp that seekg
+ // only sets the input buffer, or else istreams with buffers that
+ // have _M_mode == ios_base::out will fail to have consistency
+ // between seekg and tellp.
+ state01 = is01.rdstate();
+ is01.seekg(10, std::ios_base::cur);
+ state02 = is01.rdstate();
+ pos01 = is01.tellp();
+ test &= pos01 == pos02 + 10;
+ test &= state01 == state02;
+ pos02 = is01.tellp();
+ test &= pos02 == pos01;
+
+ state01 = is02.rdstate();
+ is02.seekg(10, std::ios_base::cur);
+ state02 = is02.rdstate();
+ pos03 = is02.tellp();
+ test &= pos03 == pos04 + 10;
+ test &= state01 == state02;
+ pos04 = is02.tellp();
+ test &= pos03 == pos04;
+
+ state01 = is03.rdstate();
+ is03.seekg(10, std::ios_base::cur);
+ state02 = is03.rdstate();
+ pos05 = is03.tellp();
+ test &= pos05 == pos06 + 10;
+ test &= state01 == state02;
+ pos06 = is03.tellp();
+ test &= pos05 == pos06;
+
+ // beg
+ state01 = is01.rdstate();
+ is01.seekg(20, std::ios_base::beg);
+ state02 = is01.rdstate();
+ pos01 = is01.tellp();
+ test &= pos01 == pos02 + 10;
+ test &= state01 == state02;
+ pos02 = is01.tellp();
+ test &= pos02 == pos01;
+
+ state01 = is02.rdstate();
+ is02.seekg(20, std::ios_base::beg);
+ state02 = is02.rdstate();
+ pos03 = is02.tellp();
+ test &= pos03 == pos04 + 10;
+ test &= state01 == state02;
+ pos04 = is02.tellp();
+ test &= pos03 == pos04;
+
+ state01 = is03.rdstate();
+ is03.seekg(20, std::ios_base::beg);
+ state02 = is03.rdstate();
+ pos05 = is03.tellp();
+ test &= pos05 == pos06 + 10;
+ test &= state01 == state02;
+ pos06 = is03.tellp();
+ test &= pos05 == pos06;
+
+#ifdef DEBUG_ASSERT
+ assert(test);
+#endif
+}
+
+// stringstreams
+void test05(void)
+{
+ bool test = true;
+ std::istream::pos_type pos01, pos02, pos03, pos04, pos05, pos06;
+ std::ios_base::iostate state01, state02;
+ const char str_lit01[] = "testsuite/istream_unformatted-1.tst";
+ std::ifstream if01(str_lit01);
+ std::ifstream if02(str_lit01);
+ std::ifstream if03(str_lit01);
+ test &= if01.good();
+ test &= if02.good();
+ test &= if03.good();
+
+ std::stringbuf strbuf01(std::ios_base::in | std::ios_base::out);
+ if01 >> &strbuf01;
+ // initialize stringbufs that are ios_base::out
+ std::stringbuf strbuf03(strbuf01.str(), std::ios_base::out);
+ // initialize stringbufs that are ios_base::in
+ std::stringbuf strbuf02(strbuf01.str(), std::ios_base::in);
+
+ std::istream is01(&strbuf01);
+ std::istream is02(&strbuf02);
+ std::istream is03(&strbuf03);
+
+ // pos_type tellp()
+ // in | out
+ pos01 = is01.tellp();
+ pos02 = is01.tellp();
+ test &= pos01 == pos02;
+ // test &= istream::pos_type(0) != pos01; // deprecated
+
+ // in
+ pos03 = is02.tellp();
+ pos04 = is02.tellp();
+ test &= pos03 == pos04;
+ // test &= istream::pos_type(0) != pos03; // deprecated
+
+ // out
+ pos05 = is03.tellp();
+ pos06 = is03.tellp();
+ test &= pos05 == pos06;
+ // test &= istream::pos_type(0) != pos01; //deprecated
+
+ // istream& seekg(pos_type)
+ // istream& seekg(off_type, ios_base::seekdir)
+
+ // cur
+ // NB: see library issues list 136. It's the v-3 interp that seekg
+ // only sets the input buffer, or else istreams with buffers that
+ // have _M_mode == ios_base::out will fail to have consistency
+ // between seekg and tellp.
+ state01 = is01.rdstate();
+ is01.seekg(10, std::ios_base::cur);
+ state02 = is01.rdstate();
+ pos01 = is01.tellp();
+ test &= pos01 == pos02 + 10;
+ test &= state01 == state02;
+ pos02 = is01.tellp();
+ test &= pos02 == pos01;
+
+ state01 = is02.rdstate();
+ is02.seekg(10, std::ios_base::cur);
+ state02 = is02.rdstate();
+ pos03 = is02.tellp();
+ test &= pos03 == pos04 + 10;
+ test &= state01 == state02;
+ pos04 = is02.tellp();
+ test &= pos03 == pos04;
+
+ state01 = is03.rdstate();
+ is03.seekg(10, std::ios_base::cur);
+ state02 = is03.rdstate();
+ pos05 = is03.tellp();
+ test &= pos05 == pos06; // as only out buffer
+ test &= state01 == state02;
+ pos06 = is03.tellp();
+ test &= pos05 == pos06;
+
+ // beg
+ state01 = is01.rdstate();
+ is01.seekg(20, std::ios_base::beg);
+ state02 = is01.rdstate();
+ pos01 = is01.tellp();
+ test &= pos01 == pos02 + 10;
+ test &= state01 == state02;
+ pos02 = is01.tellp();
+ test &= pos02 == pos01;
+
+ state01 = is02.rdstate();
+ is02.seekg(20, std::ios_base::beg);
+ state02 = is02.rdstate();
+ pos03 = is02.tellp();
+ test &= pos03 == pos04 + 10;
+ test &= state01 == state02;
+ pos04 = is02.tellp();
+ test &= pos03 == pos04;
+
+ state01 = is03.rdstate();
+ is03.seekg(20, std::ios_base::beg);
+ state02 = is03.rdstate();
+ pos05 = is03.tellp();
+ test &= pos05 == pos06; // as only out buffer
+ test &= state01 == state02;
+ pos06 = is03.tellp();
+ test &= pos05 == pos06;
+
+#ifdef DEBUG_ASSERT
+ assert(test);
+#endif
+}
+#endif // XXX
+
+int main()
+{
+ test01();
+ // test04();
+ // test05();
+ return 0;
+}
+
+
+
+
+
+
+
+
projects / platform / upstream / gcc.git / commitdiff